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The color temperature scale describes only the color of light emitted by a light source, which may actually be at a different (and often much lower) temperature. [1] [2] Color temperature has applications in lighting, [3] photography, [4] videography, [5] publishing, [6] manufacturing, [7] astrophysics, [8] and other fields.
A color chart or color ... cameras that use film and to check the color temperature of the lighting. ... in North American photography labs in the 1940s and 1950s ...
The Wratten filters numbered with 80, 81, 82, and 85x are color conversion filters used to avoid unnatural colour casts when photographing scenes where the color temperature of the light source does not match the rated color temperature of the film, which is available in Tungsten and Daylight types. While the Wratten 80 and 82 series are ...
Red arrows show that 5780 K black bodies have 501 nm peak wavelength and 63.3 MW/m 2 radiant exitance. Correlated color temperature (CCT, T cp) refers to the temperature of a Planckian radiator whose perceived color most closely resembles that of a given stimulus at the same brightness and under specified viewing conditions."
A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with a natural or standard light source. Color rendering, as defined by the International Commission on Illumination (CIE), is the effect of an illuminant on the color appearance of objects by ...
In photography and image processing, color balance is the global adjustment of the intensities of the colors (typically red, green, and blue primary colors). An important goal of this adjustment is to render specific colors – particularly neutral colors like white or grey – correctly. Hence, the general method is sometimes called gray ...
Chromaticity is an objective specification of the quality of a color regardless of its luminance. Chromaticity consists of two independent parameters, often specified as hue (h) and colorfulness (s), where the latter is alternatively called saturation, chroma, intensity, [1] or excitation purity. [2][3] This number of parameters follows from ...
The color temperature of daylight varies with the time of day. It tends to be around 2,000 K shortly after sunrise or before sunset, around 3,500 K during "golden hour", and around 5,500 K at midday. The color temperature can also change significantly with altitude, latitude, season, and weather conditions.